228971920

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 546840000

約数和(自身を除く): 317868080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 139, 236, 278, 295, 349, 472, 556, 590, 695, 698, 944, 1112, 1180, 1390, 1396, 1745, 2224, 2360, 2780, 2792, 3490, 4720, 5560, 5584, 6980, 8201, 11120, 13960, 16402, 20591, 27920, 32804, 41005, 41182, 48511, 65608, 82010, 82364, 97022, 102955, 131216, 164020, 164728, 194044, 205910, 242555, 328040, 329456, 388088, 411820, 485110, 656080, 776176, 823640, 970220, 1647280, 1940440, 2862149, 3880880, 5724298, 11448596, 14310745, 22897192, 28621490, 45794384, 57242980, 114485960, 228971920]

約数ペア:

[(1, 228971920), (2, 114485960), (4, 57242980), (5, 45794384), (8, 28621490), (10, 22897192), (16, 14310745), (20, 11448596), (40, 5724298), (59, 3880880), (80, 2862149), (118, 1940440), (139, 1647280), (236, 970220), (278, 823640), (295, 776176), (349, 656080), (472, 485110), (556, 411820), (590, 388088), (695, 329456), (698, 328040), (944, 242555), (1112, 205910), (1180, 194044), (1390, 164728), (1396, 164020), (1745, 131216), (2224, 102955), (2360, 97022), (2780, 82364), (2792, 82010), (3490, 65608), (4720, 48511), (5560, 41182), (5584, 41005), (6980, 32804), (8201, 27920), (11120, 20591), (13960, 16402)]